PENGARUH PENAMBAHAN VITAMIN E DAN MINERAL Zn TERHADAP KUALITAS SEMEN SERTA FERTILITAS DAN DAYA TETAS TELUR KALKUN LOKAL [The Effect of Vitamin E and Zinc Suplementation on the Quality of Semen, Egg Fertility and Hatchability of Local Turkey] - Suharyati, S. (Faculty of Animal Agriculture, Diponegoro University, 2006)